Patent US3283188A successfully refreshed from Google Patents.
US3283188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil construction
Assignee: Reliance Electric and Engineering Co
•
Filing: 1963-02-08
•
Granted: 1966-11-01
•
Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 John D Edick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:19
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A COIL AND CORE CONSTRUCTION COMPRISING, IN COMBINATION, MAGNETIC CORE HAVING FIRST AND SECOND SURFACES SPACED APART IN A FIRST DIRECTION, A TOROIDAL COIL WOUND FROM A METAL STRIP CONDUCTOR WITH THE LAYERS THEREOF BEIN SUBSTANTIALLY PARALLEL AT A GIVEN CIRCUMFERENTIAL POSITION AND SUBSTANTIALLY PARALLEL TO SAID FIRST DIRECTION, SAID CORE SUBSTANTIALLY SURROUNDING PAID COIL, SAID LAYERS OF STRIP CONDUCTOR HAVING EDGES DEFINING A COIL SURFACE GENERALLY PARALLEL TO SAID CORE SECOND SURFACE, AND A BERYLLIUM OXIDE POWDER AND BINDER MIXTURE BETWEEN SAID COIL SURFACE AND AID MAGNETIC CORE SECOND SURFACE TO ESTABLISH GOOD HEAT TRANSFER CHARACTERISTICS IN SAID FIRST DIRECTION FROM THE ENDS OF SAID LAYERS OF STRIP CONDUCTOR INTO SAIDMAGNETIC CORE AND THROUGH SAID MAGNETIC CORE TO SAID CORE FIRST SURFACE FOR HEAT FOR HEAT DISSIPATION THEREAT.
Claim 2
Dependent Claim
129 words
A COIL AND CORE CONSTRUCTION COMPRISING, IN COMBINATION, MAGNETIC CORE HAVING FIRST AND SECOND SURFACES SPACED APART IN A FIRST DIRECTION, A TOROIDAL COIL WOUND FROM A METAL STRIP CONDUCTOR WITH THE LAYERS THEREOF BEIN SUBSTANTIALLY PARALLEL AT A GIVEN CIRCUMFERENTIAL POSITION AND SUBSTANTIALLY PARALLEL TO SAID FIRST DIRECTION, SAID CORE SUBSTANTIALLY SURROUNDING PAID COIL, SAID LAYERS OF STRIP CONDUCTOR HAVING EDGES DEFINING A COIL SURFACE GENERALLY PARALLEL TO SAID CORE SECOND SURFACE, AND A BERYLLIUM OXIDE POWDER AND BINDER MIXTURE BETWEEN SAID COIL SURFACE AND AID MAGNETIC CORE SECOND SURFACE TO ESTABLISH GOOD HEAT TRANSFER CHARACTERISTICS IN SAID FIRST DIRECTION FROM THE ENDS OF SAID LAYERS OF STRIP CONDUCTOR INTO SAIDMAGNETIC CORE AND THROUGH SAID MAGNETIC CORE TO SAID CORE FIRST SURFACE FOR HEAT FOR HEAT DISSIPATION THEREAT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |